Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze Thanks to his eight-generation ancestors, Yang Xiaoming, the father of vaccination, has been vaccinated with three shots, and 1.4 billion Chinese people have swept away the haze